The spacecraft approached each' other at a speed of 25 centimetres per second.
to test re-entry at a velocity of 11 km/s attained by rocket acceleration
The spacecraft approached each' other at a speed of 25 centimetres per second.
to test re-entry at a velocity of 11 km/s attained by rocket acceleration
Русско-Английский словарь идиом по космонавтике. Russian-English dictionary of idioms on cosmonautics. 2012